CN102730445A - Vacuum sucking device - Google Patents

Vacuum sucking device Download PDF

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Publication number
CN102730445A
CN102730445A CN2012102197091A CN201210219709A CN102730445A CN 102730445 A CN102730445 A CN 102730445A CN 2012102197091 A CN2012102197091 A CN 2012102197091A CN 201210219709 A CN201210219709 A CN 201210219709A CN 102730445 A CN102730445 A CN 102730445A
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CN
China
Prior art keywords
cavity
fluidic channel
vacuum generation
generation piece
surface radius
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Granted
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CN2012102197091A
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Chinese (zh)
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CN102730445B (en
Inventor
刘兵
宋佳
潘晓勇
姚国红
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Sichuan Changhong Electric Co Ltd
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Sichuan Changhong Electric Co Ltd
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Priority to CN201210219709.1A priority Critical patent/CN102730445B/en
Publication of CN102730445A publication Critical patent/CN102730445A/en
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Publication of CN102730445B publication Critical patent/CN102730445B/en
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Abstract

The invention discloses a vacuum sucking device, and relates to the technical field of vacuum suction. The technical key points of the vacuum sucking device lie in that the vacuum sucking device comprises a sucking main body, a vacuum generating block and an elastic cushion; a cavity with an upper opening and a lower opening is arranged in the sucking main body; an air inlet passage and a jet stream passage are arranged in the vacuum generating block; the air inlet passage is communicated with the jet stream passage; the vacuum generating block is positioned in the cavity and divides the cavity into a first part communicated with an external environment through the upper opening and a second part communicated with the external environment through the lower opening; an air outlet of the air inlet passage is positioned in the cavity at the first part; an air outlet of the jet stream passage is positioned in the cavity at the second part; the caliber of the air outlet of the jet stream passage is less than that of an air inlet of the air inlet passage; and the elastic cushion is positioned at the bottom of the vacuum generating block. The vacuum sucking device is mainly used for the field of the production of a stamped thin slab, and particularly sucks the thin slab.

Description

A kind of vacsorb device
Technical field
The present invention relates to the vacsorb technical field, especially a kind of vacsorb device that is used for the drawing quality steel sheet production field.
Background technology
Production field at drawing quality steel sheet usually uses the vacsorb device to carry out the absorption of thin plate.
In the prior art; Vacuum generating device mainly contains two kinds: a kind of is to utilize vacuum pump to produce, and this vacuum pump utilizes theory of machines, electric energy is converted into the kinetic energy of stator; The stator high speed revolution drives blade; The continuous rotation of blade makes the volume in the housing constantly change, and impels the eliminating of air and sucks and accelerate, and goes into vacuum.This vacuum pump volume is big, and quality is heavy, and noise is big, and power consumption is high; Another kind is to adopt the vacuum vacuum generator of venturi principle, and it is little that it compares the vacuum pump volume, light weight, but the same more complicated of structure, and technology difficulty is high; And have at product surface that the situation of dirty or assorted bits is next also need to increase filtering installation.
When these two kinds of vacuum generating devices will reach the cooperation that the purpose of drawing product also needs vacuum cup, like this some surfaces have dirty or the installation site condition of limited under, their effect will be had a greatly reduced quality.
Summary of the invention
The objective of the invention is provides the suction means that has the vacuum generating module to the deficiency of prior art.
A kind of vacsorb device provided by the invention is such, comprises drawing main body, vacuum generation piece, cushion; Draw the cavity that has a upper and lower opening in the main body;
Vacuum generation piece inside has free air diffuser, flow-guiding channel and fluidic channel; Free air diffuser is communicated with flow-guiding channel;
Vacuum generation piece is arranged in said cavity, and said cavity is divided into first, osed top second portion that is in communication with the outside through upper shed and the third part that is in communication with the outside through said under shed;
The admission port of said free air diffuser is positioned at first's cavity; The air extractor duct of said flow-guiding channel is positioned at the second portion cavity; The admission port of fluidic channel is positioned at the second portion cavity, and the air extractor duct of fluidic channel is positioned at the third part cavity, and the air extractor duct bore of fluidic channel is less than its admission port bore;
Cushion is positioned at the bottom of vacuum generation piece.
Preferably, said absorption main body is that the vertical section is the column structure of " protruding " shape; Said first cavity and second portion cavity are cylindrical shape, and the bottom surface radius of first's cavity is less than the bottom surface radius of second portion cavity; The third part cavity is the round platform of upper bottom surface radius greater than second portion cavity floor radius, and the upper bottom surface radius of third part cavity is less than its bottom surface radius;
Vacuum generation piece comprises top and bottom, captives joint with the bottom or be one-body molded in top; Top and bottom are cylindrical shape, and the bottom surface radius on top is less than the bottom surface radius of bottom; Said free air diffuser and flow-guiding channel all are positioned at top; Fluidic channel is positioned at the bottom.
Preferably, said free air diffuser is cylindrical.
Preferably, said flow-guiding channel is the through hole that is opened on the free air diffuser sidewall.
Preferably, the said flow-guiding channel quantity central axis that is 2, two flow-guiding channels is on same straight line.
Preferably, fluidic channel quantity is greater than 1, and each fluidic channel air extractor duct evenly is arranged on one week of sidewall of vacuum generation piece bottom, and the admission port of each fluidic channel evenly is arranged on a week at upper bottom surface edge, vacuum generation piece bottom.
The present invention also provides another kind of vacsorb device, comprises drawing main body, vacuum generation piece, cushion; Draw the cavity that has a upper and lower opening in the main body;
The inside of vacuum generation piece has a free air diffuser and fluidic channel; Free air diffuser is communicated with fluidic channel;
Vacuum generation piece is arranged in said cavity, and said cavity is divided into first that is in communication with the outside through upper shed and the second portion that is in communication with the outside through said under shed;
The air extractor duct of said free air diffuser is positioned at first's cavity; The air extractor duct of fluidic channel is positioned at the second portion cavity; The air extractor duct bore of fluidic channel is less than the admission port bore of free air diffuser;
Cushion is positioned at the bottom of vacuum generation piece.
Preferably, said absorption main body is that the vertical section is the column structure of " protruding " shape; Said first cavity is a cylindrical shape; The second portion cavity is the round platform of upper bottom surface radius greater than first's cavity floor radius, and the upper bottom surface radius of second portion cavity is less than its bottom surface radius;
Vacuum generation piece comprises top and bottom, captives joint with the bottom or be one-body molded in top; Top and bottom are cylindrical shape, and the bottom surface radius on top is less than the bottom surface radius of bottom.
Preferably, said free air diffuser is cylindrical.
Preferably, said fluidic channel is a plurality of; Each fluidic channel air extractor duct evenly is arranged on one week of sidewall of vacuum generation piece bottom.
In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows:
1. the function with vacuum generating device and absorption is integrated in one, and is simple in structure, and response is fast, and is in light weight, with low cost;
2. absorption effect of the present invention does not receive to be drawn the dirty influence in thing surface;
3. the present invention need not installed filtering installation additional, further provides cost savings.
Description of drawings
The present invention will explain through example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is a constructional drawing of drawing a specific embodiment of main body among the present invention.
Fig. 2 is the constructional drawing of a specific embodiment of vacuum generation piece among the present invention.
Fig. 3 puts into the constructional drawing after the absorption main body of Fig. 1 with the vacuum generation piece among Fig. 2.
Fig. 4 is that the A of Fig. 3 is to view.
Fig. 5 is an alternative embodiment of the invention constructional drawing
Mark among the figure: 1 draws main body; 2 vacuum generation pieces; 3 cushions; 4 cavity upper sheds; 5 flow-guiding channels; 6 fluidic channel; 7 free air diffusers; 8 cavitys; 9 cavity under sheds; The 81 cavity parts that are in communication with the outside through upper shed; 82 closed cavity parts; The 83 cavity parts that are in communication with the outside through under shed.
The specific embodiment
Disclosed all characteristics in this specification sheets, or the step in disclosed all methods or the process except mutually exclusive characteristic and/or the step, all can make up by any way.
Disclosed arbitrary characteristic in this specification sheets (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
Embodiment 1:
Specific embodiment of vacsorb device of the present invention is such: comprise and draw main body, vacuum generation piece, cushion.
Draw the cavity that has a upper and lower opening in the main body.
Vacuum generation piece inside has free air diffuser, flow-guiding channel and fluidic channel, and wherein, free air diffuser is communicated with flow-guiding channel.
Vacuum generation piece is arranged in said cavity, and said cavity is divided into first, osed top second portion that is in communication with the outside through upper shed and the third part that is in communication with the outside through said under shed.
The admission port of said free air diffuser is in first's cavity; Said flow-guiding channel air extractor duct is positioned at the second portion cavity; The admission port of fluidic channel is positioned at the second portion cavity, and the air extractor duct of fluidic channel is positioned at the third part cavity; And the admission port of fluidic channel is greater than its air extractor duct.Flow-guiding channel is at the opening of second portion cavity, and osed top second portion cavity and fluidic channel have just constituted the structure that is communicated with flow-guiding channel and fluidic channel at the opening of second portion.
Cushion is positioned at the bottom of vacuum generation piece.
Cushion is preferably rubber or excellent power glue is processed.
Pressurized air gets in the vacuum generation piece through the upper shed of drawing main body, the free air diffuser of vacuum generation piece; Pressurized air enters into flow-guiding channel through free air diffuser again; Continue then the to flow through admission port of second portion cavity, fluidic channel is sprayed at a high speed by the less fluidic channel air extractor duct of bore at last.The high velocity air that ejects flows along the lower surface of third part cavity inside face, absorption main body; Sweep across near the gas of absorption bottom part body; Form certain degree of vacuum near making the lower surface of drawing main body, thereby reach the purpose that holds by the absorption thing when thing contacts with being drawn at cushion.
Embodiment 2:
Like Fig. 1 ~ 4; Another specific embodiment of vacsorb device of the present invention is on the basis of embodiment 1, to improve; Specifically be such: with said absorption body design is that the vertical section is the column structure of " protruding " shape; The bottom surface of drawing main body like this is circular, helps enlarging the absorption area.
It is such drawing the main body internal cavity: said first cavity and second portion cavity also are cylindrical shape, and the bottom surface radius that is positioned at top first's cavity is less than the bottom surface radius that is positioned at following second portion cavity.The third part cavity is the round platform of upper bottom surface radius greater than second portion cavity floor radius, and the upper bottom surface radius of third part cavity is less than its bottom surface radius.
Vacuum generation piece comprises top and bottom, and top and annexation between the bottom can be that to captive joint also can be one-body molded.Top and bottom are cylindrical shape, and the bottom surface radius on top is less than the bottom surface radius of bottom.The top of first's cavity of absorption main body, second portion cavity, third part cavity, vacuum generation piece and the lower central axis of vacuum generation piece are basically on same straight line.
Said free air diffuser and flow-guiding channel all are positioned at top; Fluidic channel is positioned at the bottom.
Said free air diffuser is cylindrical, and the free air diffuser admission port is arranged in first's cavity, towards the upper shed of drawing the body interior cavity.
Flow-guiding channel is the through hole that is opened on the free air diffuser sidewall, and the air extractor duct of flow-guiding channel is towards the second portion cavity.Preferably, the said flow-guiding channel quantity central axis that is 2, two flow-guiding channels is on same straight line.
Said fluidic channel quantity is greater than 1; The air extractor duct of each fluidic channel evenly is arranged on one week of sidewall of vacuum generation piece bottom; The admission port of each fluidic channel evenly is arranged on a week at upper bottom surface edge, vacuum generation piece bottom, and the air extractor duct of fluidic channel is less than its admission port.Because the upper bottom surface radius of the bottom of vacuum generation piece is greater than the bottom surface radius on top; The upper bottom surface of its underpart certainly exists a part and is covered by top and be exposed in the second portion cavity, and the admission port of said each fluidic channel evenly is arranged on one week of upper bottom surface of the vacuum generation piece bottom that is exposed in the second portion cavity just.Preferably, each fluidic channel is the cylinder of two connections, and two cylindrical central axis have certain included angle, and angle is the right angle in the present embodiment.
Be not difficult to know according to foregoing those skilled in the art, flow-guiding channel is at the opening of second portion cavity, and osed top second portion cavity and fluidic channel have just constituted the structure that is communicated with flow-guiding channel and fluidic channel at the opening of second portion.
Pressurized air gets in the vacuum generation piece through the upper shed of drawing main body, the free air diffuser of vacuum generation piece; Pressurized air enters into flow-guiding channel through free air diffuser again; Continue then the to flow through admission port of second portion cavity, fluidic channel is at last by less each fluidic channel air extractor duct ejection at a high speed simultaneously of bore.The inclined-plane of the high velocity air that each road ejects in the third part cavity, the lower surface of drawing main body flow; Sweep away and draw near the gas of bottom part body; Form certain degree of vacuum near making the lower surface of drawing main body, thereby reach the purpose that holds by the absorption thing when thing contacts with being drawn at cushion.
Embodiment 3:
An alternative embodiment of the invention is such: comprise and draw main body, vacuum generation piece, cushion; Draw the cavity that has a upper and lower opening in the main body.
Vacuum generation piece inside has free air diffuser and fluidic channel; Free air diffuser is communicated with fluidic channel.
Vacuum generation piece is arranged in said cavity, and said cavity is divided into first that is in communication with the outside through upper shed and the second portion that is in communication with the outside through said under shed.
The admission port of said free air diffuser is positioned at first's cavity, towards the upper shed of cavity; The air extractor duct of fluidic channel is positioned at the second portion cavity.The air extractor duct of fluidic channel is less than the admission port of free air diffuser.
Cushion is positioned at the bottom of vacuum generation piece.
Pressurized air gets in the vacuum generation piece through the upper shed of drawing main body, the free air diffuser of vacuum generation piece, and pressurized air enters into fluidic channel through free air diffuser again, and the fluidic channel air extractor duct less by bore sprays at a high speed.The high velocity air that ejects flows along the lower surface of second portion cavity inside face, absorption main body; Sweep across near the gas of absorption bottom part body; Form certain degree of vacuum near making the lower surface of drawing main body, thereby reach the purpose that holds by the absorption thing when thing contacts with being drawn at cushion.
Embodiment 4:
Like Fig. 5, present embodiment is on the basis of embodiment 3, to have done further improvement.
Said absorption main body is that the vertical section is the column structure of " protruding " shape; Said first cavity is a cylindrical shape; The second portion cavity is the round platform of upper bottom surface radius greater than first's cavity floor radius, and the upper bottom surface radius of second portion cavity is less than its bottom surface radius.
Vacuum generation piece comprises top and bottom, captives joint with the bottom or be one-body molded in top; Top and bottom are cylindrical shape, and the bottom surface radius on top is less than the bottom surface radius of bottom.
Said free air diffuser is cylindrical.The air extractor duct of a plurality of fluidic channel evenly is arranged on one week of sidewall of vacuum generation piece bottom.
Pressurized air gets in the vacuum generation piece through the upper shed of drawing main body, the free air diffuser of vacuum generation piece, and pressurized air enters into each fluidic channel through free air diffuser again, by the less fluidic channel air extractor duct ejection at a high speed simultaneously of each bore.The inclined-plane of the high velocity air that ejects in the third part cavity, the lower surface of drawing main body flow; Sweep across near the gas of absorption bottom part body; Form certain degree of vacuum near making the lower surface of drawing main body, thereby reach the purpose that holds by the absorption thing when thing contacts with being drawn at cushion.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.

Claims (10)

1. a vacsorb device is characterized in that, comprises drawing main body, vacuum generation piece, cushion; Draw the cavity that has a upper and lower opening in the main body;
Vacuum generation piece inside has free air diffuser, flow-guiding channel and fluidic channel; Free air diffuser is communicated with flow-guiding channel;
Vacuum generation piece is arranged in said cavity, and said cavity is divided into first, osed top second portion that is in communication with the outside through upper shed and the third part that is in communication with the outside through said under shed;
The admission port of said free air diffuser is positioned at first's cavity; The air extractor duct of said flow-guiding channel is positioned at the second portion cavity; The admission port of fluidic channel is positioned at the second portion cavity, and the air extractor duct of fluidic channel is positioned at the third part cavity, and the air extractor duct bore of fluidic channel is less than its admission port bore;
Cushion is positioned at the bottom of vacuum generation piece.
2. a kind of vacsorb device according to claim 1 is characterized in that, said absorption main body is that the vertical section is the column structure of " protruding " shape; Said first cavity and second portion cavity are cylindrical shape, and the bottom surface radius of first's cavity is less than the bottom surface radius of second portion cavity; The third part cavity is the round platform of upper bottom surface radius greater than second portion cavity floor radius, and the upper bottom surface radius of third part cavity is less than its bottom surface radius;
Vacuum generation piece comprises top and bottom, captives joint with the bottom or be one-body molded in top; Top and bottom are cylindrical shape, and the bottom surface radius on top is less than the bottom surface radius of bottom; Said free air diffuser and flow-guiding channel all are positioned at top; Fluidic channel is positioned at the bottom.
3. a kind of vacsorb device according to claim 2 is characterized in that said free air diffuser is cylindrical.
4. a kind of vacsorb device according to claim 3 is characterized in that said flow-guiding channel is the through hole that is opened on the free air diffuser sidewall.
5. a kind of vacsorb device according to claim 4 is characterized in that the central axis that said flow-guiding channel quantity is 2, two flow-guiding channels is on same straight line.
6. according to claim 3 or 4 or 5 described a kind of vacsorb devices; It is characterized in that; Fluidic channel quantity is greater than 1; Each fluidic channel air extractor duct evenly is arranged on one week of sidewall of vacuum generation piece bottom, and the admission port of each fluidic channel evenly is arranged on a week at upper bottom surface edge, vacuum generation piece bottom.
7. a vacsorb device is characterized in that, comprises drawing main body, vacuum generation piece, cushion; Draw the cavity that has a upper and lower opening in the main body;
The inside of vacuum generation piece has a free air diffuser and fluidic channel; Free air diffuser is communicated with fluidic channel;
Vacuum generation piece is arranged in said cavity, and said cavity is divided into first that is in communication with the outside through upper shed and the second portion that is in communication with the outside through said under shed;
The air extractor duct of said free air diffuser is positioned at first's cavity; The air extractor duct of fluidic channel is positioned at the second portion cavity; The air extractor duct bore of fluidic channel is less than the admission port bore of free air diffuser;
Cushion is positioned at the bottom of vacuum generation piece.
8. a kind of vacsorb device according to claim 7 is characterized in that, said absorption main body is that the vertical section is the column structure of " protruding " shape; Said first cavity is a cylindrical shape; The second portion cavity is the round platform of upper bottom surface radius greater than first's cavity floor radius, and the upper bottom surface radius of second portion cavity is less than its bottom surface radius;
Vacuum generation piece comprises top and bottom, captives joint with the bottom or be one-body molded in top; Top and bottom are cylindrical shape, and the bottom surface radius on top is less than the bottom surface radius of bottom.
9. a kind of vacsorb device according to claim 8 is characterized in that said free air diffuser is cylindrical.
10. according to Claim 8 or 9 described a kind of vacsorb devices, it is characterized in that said fluidic channel is a plurality of; Each fluidic channel air extractor duct evenly is arranged on one week of sidewall of vacuum generation piece bottom.
CN201210219709.1A 2012-06-29 2012-06-29 A kind of vacuum sucking device Active CN102730445B (en)

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Application Number Priority Date Filing Date Title
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CN102730445B CN102730445B (en) 2015-07-29

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103862884A (en) * 2014-03-26 2014-06-18 晏石英 Vacuum absorption table top
CN107243763A (en) * 2017-07-17 2017-10-13 合肥卡星数控设备有限公司 A kind of vacuum suction table top embolism
CN109368265A (en) * 2018-11-21 2019-02-22 深圳市鼎达信装备有限公司 Vacuum absorption device and its extruding shell
CN115813255A (en) * 2022-08-17 2023-03-21 宁德时代新能源科技股份有限公司 Vacuum generator and negative pressure dust collection device with same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6135522A (en) * 1999-05-26 2000-10-24 Advanced Semiconductors Engineering, Inc. Sucker for transferring packaged semiconductor device
CN101172540A (en) * 2006-10-02 2008-05-07 Smc株式会社 Contact-free transport device
CN101259920A (en) * 2007-03-05 2008-09-10 京元电子股份有限公司 Chip suction nozzle structure with elastic pad and manufacturing method thereof
CN101637910A (en) * 2008-07-30 2010-02-03 J.施迈茨有限公司 Area vacuum gripper driven by compressed air
CN102509716A (en) * 2011-12-02 2012-06-20 无锡先导自动化设备股份有限公司 Silicon chip taking and placing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6135522A (en) * 1999-05-26 2000-10-24 Advanced Semiconductors Engineering, Inc. Sucker for transferring packaged semiconductor device
CN101172540A (en) * 2006-10-02 2008-05-07 Smc株式会社 Contact-free transport device
CN101259920A (en) * 2007-03-05 2008-09-10 京元电子股份有限公司 Chip suction nozzle structure with elastic pad and manufacturing method thereof
CN101637910A (en) * 2008-07-30 2010-02-03 J.施迈茨有限公司 Area vacuum gripper driven by compressed air
CN102509716A (en) * 2011-12-02 2012-06-20 无锡先导自动化设备股份有限公司 Silicon chip taking and placing device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103862884A (en) * 2014-03-26 2014-06-18 晏石英 Vacuum absorption table top
CN107243763A (en) * 2017-07-17 2017-10-13 合肥卡星数控设备有限公司 A kind of vacuum suction table top embolism
CN109368265A (en) * 2018-11-21 2019-02-22 深圳市鼎达信装备有限公司 Vacuum absorption device and its extruding shell
CN115813255A (en) * 2022-08-17 2023-03-21 宁德时代新能源科技股份有限公司 Vacuum generator and negative pressure dust collection device with same
CN115813255B (en) * 2022-08-17 2023-12-12 宁德时代新能源科技股份有限公司 Vacuum generator and negative pressure dust collection device with same

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